It's only those who do nothing that make no mistakes

It's only those who do nothing that make no mistakes.
Не ошибается тот, кто ничего не делает.


I won't do it.
I can't do it. It will not work.
I want to do it.
How do I do it?
I'll try to do it!
I can do it!
I will do it!
Yes, I did it! It's so simple!

Не ошиба́ется лишь тот, кто ничего́ не де́лает.